In the following question, a sentence has been given in Direct/Indirect speech. Out of the four alternatives suggested, select the one which best express the same sentence in Indirect/Direct speech.
He said, "I bought an iPhone 6 yesterday."

A

He said that he had bought an iPhone 6 the previous day.

B

He said he bought an iPhone 6 the previous day.

C

He said that he has bought an iPhone 6 yesterday.

D

He exclaimed, an iPhone 6 has been bought by him yesterday.